ExamVeda
Login
Home

Compressors, Gas Turbines And Jet Engines MCQ Questions & Answers | Mechanical Engineering

Learn Compressors, Gas Turbines And Jet Engines MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Compressors, Gas Turbines And Jet Engines MCQ question is the important chapter for a Mechanical Engineering and GATE students. Page-4 section-3

Each section contains 100 MCQs on Compressors, Gas Turbines and Jet Engines .
31
Losses in a centrifugal compressor are due to
Discuss
Answer & Solution
Answer: Option D
Solution:
Losses in a centrifugal compressor are due to -Inlet losses - Impeller channel losses - Diffuser losses
32
Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on
Discuss
Answer & Solution
Answer: Option D
Solution:
Surging phenomenon in centrifugal compressor depends on - Mass flow rate -Pressure ratio -Change in load
33
Diffuser in a compressor is used to
Discuss
Answer & Solution
Answer: Option D
Solution:
Diffuser in a compressor is used to Convert kinetic energy into pressure energy
34
A large clearance volume in a reciprocating compressor results in
Discuss
Answer & Solution
Answer: Option A
Solution:
A large clearance volume in a reciprocating compressor results in Reduced volume flow rate
35
The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called
Discuss
Answer & Solution
Answer: Option D
Solution:
The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called Mechanical efficiency
36
Volumetric efficiency is
Discuss
Answer & Solution
Answer: Option B
Solution:
Volumetric efficiency is The ratio of the air actually delivered to the amount of piston displacement
37
In air breathing jet engine, the jet is formed by expanding
Discuss
Answer & Solution
Answer: Option A
Solution:
In air breathing jet engine, the jet is formed by expanding Highly heated atmospheric air
38
In a four stage compressor, if the pressure at the first and third stage is 1 bar and 16 bar, then the delivery pressure at the fourth stage will be
Discuss
Answer & Solution
Answer: Option C
Solution:
In a four stage compressor, if the pressure at the first and third stage is 1 bar and 16 bar, then the delivery pressure at the fourth stage will be 64 bar
39
Reciprocating air compressor is best suited for
Discuss
Answer & Solution
Answer: Option B
Solution:
Reciprocating air compressor is best suited for small quantity of air at high pressure
40
Rotary compressor is best suited for
Discuss
Answer & Solution
Answer: Option B
Solution:
Rotary compressor is best suited for small quantity of air at high pressure